155161656371 has 8 divisors (see below), whose sum is σ = 157960928544. Its totient is φ = 152370630720.

The previous prime is 155161656343. The next prime is 155161656383. The reversal of 155161656371 is 173656161551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155161656371 - 2²⁶ = 155094547507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155161656341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023655 + ... + 2098928.

It is an arithmetic number, because the mean of its divisors is an integer number (19745116068).

Almost surely, 2^155161656371 is an apocalyptic number.

155161656371 is a deficient number, since it is larger than the sum of its proper divisors (2799272173).

155161656371 is an equidigital number, since it uses as much as digits as its factorization.

155161656371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123261.

The product of its digits is 567000, while the sum is 47.

The spelling of 155161656371 in words is "one hundred fifty-five billion, one hundred sixty-one million, six hundred fifty-six thousand, three hundred seventy-one".